package com.wander.business.book.c1_3_1.service;

import org.springframework.stereotype.Service;

/**
 * @author Wander.Zeng
 * @create 2017-07-30 21:46
 * @desc FunctionService
 */
@Service
public class FunctionService {

    public String sayHello(String world) {
        return "Hello " + world + " !";
    }

}
